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From: =?UTF-8?q?=E4=BD=95=E5=86=A0=E5=B3=B0?= <hevinci@hotmail.com>
Date: Fri, 25 Jul 2025 15:43:37 +0800
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---
 .../Editor/AssetBundleBuilder/AssetBundleBuilderWindow.cs   | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Assets/YooAsset/Editor/AssetBundleBuilder/AssetBundleBuilderWindow.cs b/Assets/YooAsset/Editor/AssetBundleBuilder/AssetBundleBuilderWindow.cs
index 04cf64be..776ee25a 100644
--- a/Assets/YooAsset/Editor/AssetBundleBuilder/AssetBundleBuilderWindow.cs
+++ b/Assets/YooAsset/Editor/AssetBundleBuilder/AssetBundleBuilderWindow.cs
@@ -77,6 +77,12 @@ namespace YooAsset.Editor
                     foreach (var classType in viewerClassTypes)
                     {
                         var buildPipelineAttribute = EditorTools.GetAttribute<BuildPipelineAttribute>(classType);
+                        if (buildPipelineAttribute == null)
+                        {
+                            Debug.LogWarning($"The class {classType.FullName} need attribute {nameof(BuildPipelineAttribute)}");
+                            continue;
+                        }
+
                         string pipelineName = buildPipelineAttribute.PipelineName;
                         if (_viewClassDic.ContainsKey(pipelineName))
                         {